文档介绍：第 40卷第 12期重晖墩 VolJ40
2010年 12月 EIectricWelding Machine
铝合金可变双脉冲 M-G焊接工艺
丁, 明卢立,黄健,樊佳伟 2。
(,甘肃兰州 730050;
工大学甘肃省有色金属新材料重点试验室,甘肃兰730050) 9,J'l
Study onvarying double pulse MIG welding for aluminum aHoys
FAN Ding ,ZHU Ming~,LU Li—hui ,HUANG Jian—kang2,FAN Jia—wei ,SHI Yu
( Education,LanzhouLab。of of Alloys,the Meral Ministry Non—ferrous .,Lat~Jaou 730050,China;
Key Advanced Non—ferrous Metal Materials,Lanzhou .,Lanzhou 730050,China)
Abstraet:Aiming by metal base of accumulation heat the to owing ingwidth collapse evenweld pool widerproblem ofthe at
usingconstant parameters in'aluminum alloy MIG welding,an experimental platform foraluminum alloy varying double pulsed MIG
welding was established by using real—time targetenvironment based on xPC experimental researeh Orl aluminum alloy
varyingdoubltepulsed MIG welding was resultsshow that the method of usingvarying double pulseto reducethe heat
input in aluminum MIG 'alloy welding can control the weld width effectively while the percentage oflow—energy was increased from
0%to 80%,besides weldalso appearance andperfect joints goodthe welding
Key words:aluminumalloy;varying MIGdouble pulse welding;pool width
U 刖昌有部分公司掌握了此项技术。
轻质铝合金材料因其突出的物理、化学性能,在文献[5】通过采用双脉冲焊接工艺,可以